Beidou positioning mahjong bobbin ** no ** chip inside. Mahjong bobbin is a traditional Chinese game whose main function is to entertain and compete, rather than to locate or carry chips. In the game, players shuffle, deal, touch, bar and other ways to determine the outcome, without relying on any external devices or chips. Therefore, the Beidou positioning mahjong bobbin is just an ordinary entertainment item, and does not carry any chip or positioning device.